Great Lakes Forecast
Issued by NWS

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952
FZUS61 KBUF 211436
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1036 AM EDT Sat Sep 21 2024

For waters beyond five nautical miles of shore on Lake Ontario

Waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. Occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.SYNOPSIS...A weak 29.8 inch trough will move across the lower
Great Lakes through tonight before dissipating. A weak 30.0 inch
ridge will then build across the lower Great Lakes Sunday. A cold
front will then move from the upper Great Lakes Sunday to the
lower Great Lakes Monday, where it will stall through the middle
of next week. Several weak 29.8 inch lows will move along the
stalled front Monday through Wednesday.

LOZ062-212115-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1036 AM EDT Sat Sep 21 2024

.THIS AFTERNOON...Southeast winds 5 to 10 knots becoming
northeast. Scattered showers. Waves 2 feet or less.
.TONIGHT...East winds 5 to 10 knots. Scattered showers in the
evening. Waves 1 to 2 feet.
.SUNDAY...East winds 5 to 15 knots. Waves 1 to 2 feet.
.SUNDAY NIGHT...East winds 10 to 15 knots becoming south. A
chance of showers overnight. Waves 1 to 3 feet.
.MONDAY...Southeast winds 15 to 20 knots becoming south 10 to
15 knots. Showers likely during the day, then a chance of showers
Monday night. Waves 1 to 3 feet building to 2 to 4 feet, then
subsiding to 1 to 3 feet.
.TUESDAY...Southeast winds 10 to 15 knots. A chance of showers
during the day, then showers Tuesday night. Waves 1 to 3 feet.
.WEDNESDAY...South winds 5 to 15 knots becoming west. Showers
during the day, then a chance of showers Wednesday night. Waves
1 to 3 feet.

$$

LOZ063>065-212115-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1036 AM EDT Sat Sep 21 2024

.THIS AFTERNOON...Southeast winds 5 to 15 knots becoming east.
Scattered showers late. Waves 1 to 3 feet.
.TONIGHT...East winds 5 to 15 knots becoming southeast. Scattered
showers in the evening. Waves 2 feet or less.
.SUNDAY...Southeast winds 5 to 15 knots becoming east. Waves
2 feet or less.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots increasing to
15 to 20 knots. Waves 1 to 3 feet building to 2 to 4 feet.
.MONDAY...Southeast winds 15 to 20 knots. A chance of showers
during the day, then showers likely Monday night. Waves 2 to
4 feet building to 3 to 5 feet, then subsiding to 2 to 4 feet.
.TUESDAY...Southeast winds 15 to 20 knots. A chance of showers
during the day, then showers Tuesday night. Waves 2 to 4 feet
building to 3 to 5 feet.
.WEDNESDAY...Southeast winds 15 to 20 knots becoming south 10 to
15 knots. Showers. Waves 3 to 5 feet subsiding to 1 to 3 feet.

$$

LOZ061-212115-
MAFOR 2115/
ONTARIO WEST 1/2 14200 19206 14200. Waves 2 feet or less.

ONTARIO EAST 1/2 11310 11200 11200 19206 11300 19306 11300 13310.
Waves 1 to 3 feet this afternoon. Waves 2 feet or less tonight
and Sunday morning.

$$